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Mica Plate Products

NEMA 8P is a rigid silicone bonded mica paper plate. As a natural mica paper supplier, we offer Muscovite mica and Phlogopite mica. Primary difference is Muscovite has a continuous operating temperature of 600°C and Phlogopite 800°C. Product code HP for Muscobite and HP5J for Phlogopite. Available in standard sheets of 1000mm x 1200mm (39.37" x 47.24"). Sheets up to 1000mm x 2400mm (39.37" x 94.48") can be special ordered. This material is excellent insulation for strip heaters, band heaters, and heating elements. Other uses are washers, terminal insulation and other applications that require high temperature insulation. Decorative mica plates can be die punched, sheared or machined with CNC. This material also lends itself to laser and water jet cutting. Offered as sheets, strips or we can fabricate parts with customer supplied drawing. 

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NEMA 86P is cold flexible silicone bonded mica paper plate. Also available with Muscovite or Phlogopite mica. Our product code HP5 FLEX for Muscovite and HP5J FLEX for Phlogopite. Standard sheets of 1000mm x 1200mm (39.37" x 47.24"). Sheets up to 1000mm x 2400mm (39.37" x 94.48") can be special ordered. Typical applications include nozzle liners for heaters, transformers and industrial furnaces. HP5J is our high temperature product for gasket or sealing applications up to 1000°C. Gaskets made of this product are used in exhaust manifolds, fuel cells, refineries and the petrochemical industry. 

NEMA 2P is hot moldable mica paper plate bonded with epoxy resin. Sheet size of 30.7" x 38.6". Material is moldable with application of heat. It takes the required form when molded under pressure. Material will retain from once cooled. Applications include channels for transformer coils. 

NEMA 3p is rigid epoxy bonded sheet generally referred to as segment plate. .001" sheet size is usually 600mm x 1200mm (23.62" x 37.39") but can be special ordered as 1000mm x 1200mm (39.37" x 47.24"). Plate has tight thickness tolerance of +/- .001" individual, +/- .002" average. This materials is generally used to punch or fabricated segments for DC motors. Can be used as spacers, washers or terminal insulation. 

Please contact our sales team to discuss your technical needs, pricing and any questions you might have. 

TypeDescriptionBondTempAvailable
NEMA 8PRigid Mica PaperSilicone220°CSheets 39.7" x 47.24". Thickness from .010" up to 4"
NEMA 86PCold Flexible Mica Paper PlateSilicone220°CSheets 39.37 x 47.24". Thickness from .010" to .060"
NEMA 2PHot Moldable Mica PaperEpoxyClass F 155°CSheets 30.7" x 36.6". Thickness .010" to .060"
NEMA 3PRigid Mica Paper Segment PlateEpoxyClass F 155°CSheets 23.62" x 39.37". Thickness .020" to .060"

Mica Plate Composites 

Mica splittings with varnished glass adds toughness and strength to the plate. Excellent for applications such as slot lining or coils wraps. Produced to NEMA standards. NEMA 311 is combination of polyester bonded mica splittings with polyester varnished glass. NEMA 312 is combination of silicone bonded mica splittings with silicone varnished glass. 

NEMA 311P is a combination of mica papaper polyester resin with polyester carnished glass. NEMA 312P is a combination of mica paper with silicone resin with silicone varnished glass. 

Other combinations of mica plate with polyester film or plain glass cloth on one or two sides are available. Please contact or sales team to discuss your technical needs, prcing and any questions you might have. 

TypeDescriptionBondTemp ClassAvailable
NEMA 311Mica Between Varnished Glass ClothPolyesterClass F 155°CSheets up to 36" x 36". Thickness .010" to .060".
NEMA 312Mica Between Varnished Glass ClothSiliconeClass H 180°CSheets up to 36" x 36". Thickness .010" to .060".
NEMA 311PMica Paper Between Varnished Glass ClothPolyesterClass F 155°CSheets up to 30.7" x 38.6". Thickness .010" to .060".
NEMA 312PMica Paper Between Varnished Glass ClothSiliconeClass H 180°CSheets up to 36" x 36". Thickness .010" to .060".

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